| 28 | }; |
| 29 | |
| 30 | void SC::ThreadPoolTest::testThreadPool() |
| 31 | { |
| 32 | //! [threadPoolSnippet] |
| 33 | static const size_t wantedThreads = 4; |
| 34 | static const size_t numTasks = 100; |
| 35 | |
| 36 | // 1. Create the threadpool with the wanted number of threads |
| 37 | SC::ThreadPool threadPool; |
| 38 | SC_TEST_EXPECT(threadPool.create(wantedThreads)); |
| 39 | |
| 40 | size_t values[numTasks]; |
| 41 | |
| 42 | // 2. Allocate the wanted number of tasks. Tasks memory should be valid until a task is finished. |
| 43 | SC::ThreadPool::Task tasks[numTasks]; |
| 44 | |
| 45 | for (size_t idx = 0; idx < numTasks; idx++) |
| 46 | { |
| 47 | size_t* value = values + idx; |
| 48 | *value = idx; |
| 49 | |
| 50 | // 3. Setup the task function to execute on some random thread |
| 51 | tasks[idx].function = [value]() |
| 52 | { |
| 53 | if (*value % 2) |
| 54 | { |
| 55 | SC::Thread::Sleep(10); |
| 56 | } |
| 57 | *value *= 100; |
| 58 | }; |
| 59 | // 4. Queue the task in thread pool |
| 60 | SC_TEST_EXPECT(threadPool.queueTask(tasks[idx])); |
| 61 | } |
| 62 | |
| 63 | // 5. [Optional] Wait for a single task |
| 64 | SC_TEST_EXPECT(threadPool.waitForTask(tasks[1])); |
| 65 | SC_TEST_EXPECT(values[1] == 100); |
| 66 | |
| 67 | // 6. [Optional] Wait for all remaining tasks to be finished |
| 68 | SC_TEST_EXPECT(threadPool.waitForAllTasks()); |
| 69 | |
| 70 | // Checking Results |
| 71 | bool allGood = true; |
| 72 | for (size_t idx = 0; idx < numTasks; idx++) |
| 73 | { |
| 74 | allGood = allGood && (values[idx] == idx * 100); |
| 75 | } |
| 76 | SC_TEST_EXPECT(allGood); |
| 77 | |
| 78 | // 6. [Optional] Destroy the threadpool. |
| 79 | // Note: destructor will wait for tasks to finish, but this avoids it from accessing invalid tasks, |
| 80 | // as stack objects are reclaimed in inverse declaration order |
| 81 | SC_TEST_EXPECT(threadPool.destroy()); |
| 82 | //! [threadPoolSnippet] |
| 83 | } |
| 84 | |
| 85 | void SC::ThreadPoolTest::testThreadPoolErrors() |
| 86 | { |
nothing calls this directly
no test coverage detected